Seiko Cal. 5677 - 433

This Automatic model from 1978 features a 41mm Hardlex-Coated Steel case. It features a White dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-b4c92bf67d5e]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1978

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