Seiko Cal. 4551 - 722

This Spring Drive model from 1974 features a 35mm Two-Tone case. It features a Black dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-969eb7a56537]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1974

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