Seiko Cal. 3845 - 644

This Quartz model from 1997 features a 40mm Hardlex-Coated Steel case. Powered by the 3845 caliber with 28j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-8168c9c5769b]

Also known as: Monster, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1997

Related Models

• Seiko 4570-285
• Seiko 7135-750
• Seiko 6123-278
• Seiko 5648-818
• Seiko 5673-684
• Seiko 7124-836
• Seiko 3831-193
• Seiko 5224-303
• Seiko 7067-486
• Seiko 3842-681
• Seiko 0781-709
• Seiko 6670-107