Seiko Cal. 3836 - 623

This Hand-Winding model from 1971 features a 34mm PVD Black case. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-7743a81f4ea6]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1971

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