Seiko Cal. 3848 - 523

This Hand-Winding model from 1979 features a 41mm Stainless Steel case. Powered by the 3848 caliber with 31j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-77582ea685ce]

Also known as: Sumo, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1979

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