Seiko Cal. 6681 - 918

This Hand-Winding model from 1978 features a 40mm Gold-Plated case. Powered by the 6681 caliber with 29j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-1b0d2ed25537]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1978

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