Seiko Cal. 3836 - 188

This Spring Drive model from 1977 features a 44mm Titanium case. Powered by the 3836 caliber with 22j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-7b8e1d8687cd]

Also known as: Monster, Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1977

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