Seiko Cal. 6156 - 508

This Spring Drive model from 1973 features a 45mm PVD Black case. It features a White dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-71f716ce2baf]

Also known as: Sumo, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1973

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