Seiko Cal. 6178 - 591

This Hand-Winding model from 1987 features a 39mm Stainless Steel case. Powered by the 6178 caliber with 17j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-d7fd453b1ff2]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1987

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