Seiko Cal. 6685 - 618

This Spring Drive model from 1988 features a 42mm Gold-Plated case. Powered by the 6685 caliber with 21j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-388bfbdb503e]

Also known as: Bullhead, Rally

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1988

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