Seiko Cal. 5635 - 591

The Seiko 5635-591 represents an important milestone in Seiko's 1992 lineup. With its 18mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-26854cf18fd0]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1992

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