Seiko Cal. 6637 - 148

The 6637-148 is a sought-after Quartz piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-c8c622fd0cca]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1971

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