Seiko Cal. 5617 - 617

The Seiko 5617-617 represents an important milestone in Seiko's 1985 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-49a8f5d76d98]

Also known as: Helmet, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1985

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