Seiko Cal. 6651 - 640

This Hand-Winding model from 1972 features a 40mm PVD Black case. It features a Black dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-9d200584eac6]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1972

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