Seiko Cal. 6177 - 234

This Quartz model from 1971 features a 41mm PVD Black case. It features a Navy dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-992d1798fbc3]

Also known as: Helmet, Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1971

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