Seiko Cal. 7027 - 802

This Spring Drive model from 1981 features a 37mm Titanium case. Powered by the 7027 caliber with 18j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-e0018f2f1830]

Also known as: Tuna, Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1981

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