Seiko Cal. 5655 - 634

This Hand-Winding model from 1965 features a 38mm Two-Tone case. Powered by the 5655 caliber with 29j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-71add047b79d]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1965

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