Seiko Cal. 6657 - 987

This Hand-Winding model from 1992 features a 46mm PVD Black case. Powered by the 6657 caliber with 17j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-ec7d7892f51b]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1992

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