Seiko Cal. 6170 - 940

This Spring Drive model from 1992 features a 37mm Stainless Steel case. Powered by the 6170 caliber with 21j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-4c97b3bb172f]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1992

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