Seiko Cal. 6639 - 102

This Quartz model from 1992 features a 46mm Gold-Plated case. Powered by the 6639 caliber with 36j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-d728383c2b53]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

36j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1992

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