Seiko Cal. 6642 - 175

Released in 1977, the Cal. 6642 with design code 175 was part of Seiko's domestic market collection. It features a Green dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-ac123f5eddfb]

Also known as: Bullhead, Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1977

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