Seiko Cal. 5227 - 745

This Spring Drive model from 1977 features a 38mm Gold-Plated case. It features a Black dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-b91b285049f6]

Also known as: Helmet, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1977

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