Seiko Cal. 6137 - 452

This Automatic model from 1972 features a 38mm Two-Tone case. It features a Black dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-52c291efae69]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1972

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