Seiko Cal. 5693 - 531

The 5693-531 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-ef66391686a8]

Also known as: Sumo, UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Cream

Jewels

28j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1975

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