Seiko Cal. 5617 - 716

This Hand-Winding model from 1968 features a 35mm Hardlex-Coated Steel case. It features a Silver dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-108d250aa3bc]

Also known as: Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

26j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1968

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