Seiko Cal. 7131 - 160

The 7131-160 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 7131 caliber with 26j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-9c9d5b84cf27]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1978

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