Seiko Cal. 5617 - 938

The 5617-938 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-fa2ed595bad3]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

17j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1987

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