Seiko Cal. 6617 - 125

This Hand-Winding model from 1977 features a 37mm Titanium case. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-c4964ec8fa7d]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1977

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