Seiko Cal. 6375 - 421

This Quartz model from 1979 features a 40mm PVD Black case. It features a Cream dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-ef20d0e90966]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1979

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