Seiko Cal. 5641 - 545

The Seiko 5641-545 represents an important milestone in Seiko's 1966 lineup. The Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-4dea7ae768e5]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1966

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