Seiko Cal. 6659 - 630

This Spring Drive model from 1970 features a 40mm PVD Black case. It features a White dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-23a9aad3ec25]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1970

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