Seiko Cal. 0721 - 480

This Spring Drive model from 1978 features a 42mm Gold-Plated case. It features a Cream dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-6f7d1e1f0e5b]

Also known as: Sumo, Shogun

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1978

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