Seiko Cal. 5627 - 556

This Quartz model from 1975 features a 35mm PVD Black case. It features a Navy dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-9dd4929d3f77]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1975

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