Seiko Cal. 5617 - 237

The Seiko 5617-237 represents an important milestone in Seiko's 1970 lineup. Powered by the 5617 caliber with 17j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-bc617fbb80e1]

Also known as: Samurai, Monster

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1970

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