Seiko Cal. 7131 - 154

The Seiko 7131-154 represents an important milestone in Seiko's 1972 lineup. Powered by the 7131 caliber with 19j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-12017efad793]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

36mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Cream

Jewels

19j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1972

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