Seiko Cal. 5687 - 913

This Automatic model from 1968 features a 44mm Hardlex-Coated Steel case. It features a Black dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-9db4755949cd]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1968

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