Seiko Cal. 5633 - 927

This Spring Drive model from 1968 features a 46mm Hardlex-Coated Steel case. It features a White dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-67b9a5516111]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1968

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