Seiko Cal. 5628 - 854

This Hand-Winding model from 1978 features a 39mm Gold-Plated case. It features a Green dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-a72740b7fab1]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1978

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