Seiko Cal. 6664 - 131

This Spring Drive model from 1991 features a 37mm PVD Black case. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-6a15d94d1f68]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1991

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