Seiko Cal. 5639 - 397

The Seiko 5639-397 represents an important milestone in Seiko's 1996 lineup. With its 18mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-5d3c5691ddb9]

Also known as: Pogue, Bullhead

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1996

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