Seiko Cal. 3843 - 725

This Automatic model from 1987 features a 41mm Stainless Steel case. Powered by the 3843 caliber with 21j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-5831cd6faa42]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1987

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