Seiko Cal. 6637 - 374

The Seiko 6637-374 represents an important milestone in Seiko's 1996 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-b1b121279d3b]

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

40mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1996

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