Seiko Cal. 6642 - 217

This Spring Drive model from 1991 features a 36mm PVD Black case. Powered by the 6642 caliber with 30j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-384c2a15d866]

Also known as: Tuna, Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

30j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1991

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