Seiko Cal. 6636 - 973

The 6636-973 is a sought-after Quartz piece from Seiko's golden era. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-c2c0ed62bde3]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Burgundy

Jewels

26j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1988

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