Seiko Cal. 5633 - 810

This Spring Drive model from 1979 features a 45mm Two-Tone case. It features a Cream dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-aa7ef3c5c102]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1979

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