Seiko Cal. 5624 - 137

This Spring Drive model from 1972 features a 44mm Hardlex-Coated Steel case. It features a Navy dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-504bae063af0]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1972

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