Seiko Cal. 5677 - 901

This Quartz model from 1968 features a 40mm PVD Black case. It features a Champagne dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-2e6fc6427988]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1968

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