Seiko Cal. 6642 - 448

The 6642-448 is a sought-after Hand-Winding piece from Seiko's golden era. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-b0ffd5bea406]

Also known as: Monster, Rally

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1977

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