Seiko Cal. 4451 - 812

This Spring Drive model from 1976 features a 34mm Two-Tone case. It features a Green dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-0c20af5f099f]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1976

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