Seiko Cal. 6677 - 903

This Hand-Winding model from 1968 features a 35mm PVD Black case. Powered by the 6677 caliber with 24j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-d550f6f2a4fe]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1968

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