Seiko Cal. 5617 - 930

The 5617-930 is a sought-after Automatic piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-acd26275c21e]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1985

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