Seiko Cal. 7161 - 427

The Seiko 7161-427 represents an important milestone in Seiko's 1983 lineup. Powered by the 7161 caliber with 29j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-a4c101cb0edf]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1983

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