Seiko Cal. 6637 - 267

The Seiko 6637-267 represents an important milestone in Seiko's 1985 lineup. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-b8a33057b2c8]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1985

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