Seiko Cal. 6657 - 651

This Spring Drive model from 1998 features a 38mm PVD Black case. With its 22mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-3cbb70a6ffc1]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1998

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