Seiko Cal. 5659 - 161

The Seiko 5659-161 represents an important milestone in Seiko's 1980 lineup. Powered by the 5659 caliber with 27j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-ac1ff132085e]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1980

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