Seiko Cal. 7170 - 994

This Automatic model from 1979 features a 37mm Stainless Steel case. It features a Black dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-31d3b40472f6]

Also known as: Sumo, Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1979

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