Seiko Cal. 0781 - 515

This Spring Drive model from 1981 features a 39mm Titanium case. Powered by the 0781 caliber with 18j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-f7a80e406ebd]

Also known as: Goldfeather, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1981

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