Seiko Cal. 7120 - 757

This Spring Drive model from 1980 features a 40mm Titanium case. Powered by the 7120 caliber with 36j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-a824fa3fdcc5]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1980

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