Seiko Cal. 6337 - 431

The Seiko 6337-431 represents an important milestone in Seiko's 1986 lineup. With its 21mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-c235382c9a18]

Also known as: Rally, Emperor

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1986

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