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 Sapphire crystal and offers 110m of water resistance. [seikata-wm-93c19bcff415]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1966

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