Seiko Cal. 6651 - 538

This Spring Drive model from 1969 features a 40mm PVD Black case. It features a Cream dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-d33ee6a586b0]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Cream

Jewels

25j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1969

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