MQ1000D Series Case / bezel material: Resin / Chrome plated Adjustable Clasp Stainless Steel Band Cut Glass Resin Glass Natural diamonds Water Resistant Regular timekeeping Analog: 3 hands (hour, minute, second) Accuracy: ±20 seconds per month Approx. battery life: 3 years on SR626SW Size of case: 38.8×34.9×9.3mm Weight: 41g MQ24 Series (Black/White/Gold dial with 10 designs) - No Warranty Resin Glass Water resistance Case / Bezel Material: Resin / Resin Band Regular timekeeping Analog: 3 hands (hour, minute, second) Accuracy: ±20 seconds per month Approx. battery life: 2 years on SR621SW Size of case: 38.8×34.9×7.8mm Weight: 19g MQ24D Series Case / bezel material: Resin Adjustable Clasp Stainless Steel Band Resin Glass Water Resistant Regular timekeeping, Analog: 3 hands (hour, minute, second) Accuracy: ±20 seconds per month Approx. battery life: 3 years on SR626SW Size of case: 38.8×34.9×7.8mm Weight: 45g MQ24G Series Case / bezel material: Resin Adjustable Clasp Stainless Steel Band Resin Glass Gold ion plated band Water Resistant Regular timekeeping, Analog: 3 hands (hour, minute, second) Accuracy: ±20 seconds per month Approx. battery life: 3 years on SR626SW Size of case: 38.8×34.9×7.8mm Weight: 45g MQ24M Series Case / bezel material: Resin Adjustable Clasp Stainless Steel Mesh Band Resin Glass Water Resistant Regular timekeeping, Analog: 3 hands (hour, minute, second) Accuracy: ±20 seconds per month Approx. battery life: 3 years on SR626SW Size of case: 38.8×34.9×7.8mm Total weight: 46g MQ24MG Series Case / bezel material: Resin Adjustable Clasp Stainless Steel Mesh Band Resin Glass Gold ion plated band Water Resistant Regular timekeeping, Analog: 3 hands (hour, minute, second) Accuracy: ±20 seconds per month Approx. battery life: 3 years on SR626SW Size of case: 38.8×34.9×7.8mm Total weight: 46g MQ27 Series (Black/White dial with 3 designs) - No Warranty Resin Glass Water resistance Case / Bezel Material: Resin / Resin Band Regular timekeeping Analog: 3 hands (hour, minute, second) Accuracy: ±20 seconds per month Approx. battery life: 2 years on SR621SW Size of case: 37.2×26.5×8mm Total weight:19 g MQ38 Series (Black/blue/Silver/Grey/Gold dial) - No Warranty Resin Glass Water resistance Case / Bezel Material: Resin / Resin Band Regular timekeeping Analog: 3 hands (hour, minute, second) Accuracy: ±20 seconds per month Approx. battery life: 2 years on SR621SW Size of case:  37.2×26.5×8mm Total weight: 19g