Seiko Cal. 5641 - 257

This Kinetic model from 1972 features a 42mm Gold-Plated case. With its 20mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-29a9135b0290]

Also known as: UFO, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Burgundy

Jewels

33j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1972

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