Seiko Cal. 5642 - 834

This Spring Drive model from 1991 features a 40mm Gold-Plated case. It features a Champagne dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-9379cfd0903c]

Also known as: Sumo, Crown

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1991

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