Seiko Cal. 5661 - 603

The Seiko 5661-603 represents an important milestone in Seiko's 1993 lineup. With its 21mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-000d89fe55a1]

Also known as: Bellmatic, World Timer

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1993

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