Seiko Cal. 3812 - 874

This Spring Drive model from 1997 features a 41mm Two-Tone case. Powered by the 3812 caliber with 19j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-438eb39438f4]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Burgundy

Jewels

19j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1997

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