Seiko Cal. 5639 - 261

The Seiko 5639-261 represents an important milestone in Seiko's 1996 lineup. With its 20mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-c76fd7cad8fb]

Also known as: Samurai, Rally

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1996

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