Seiko Cal. 7136 - 645

This Spring Drive model from 1973 features a 41mm PVD Black case. It features a Navy dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-fbe70ebe576e]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1973

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