Seiko Cal. 7131 - 772

This Automatic model from 1973 features a 36mm Hardlex-Coated Steel case. Powered by the 7131 caliber with 33j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-f87825e030f3]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1973

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