Seiko Cal. 6637 - 732

This Spring Drive model from 1998 features a 44mm PVD Black case. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-0960ba293e1c]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

36j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1998

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