Seiko Cal. 7116 - 312

This Spring Drive model from 1987 features a 40mm Stainless Steel case. Powered by the 7116 caliber with 21j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-9bba4a781a3d]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1987

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