Seiko Cal. 5610 - 303

The Seiko 5610-303 represents an important milestone in Seiko's 1966 lineup. Powered by the 5610 caliber with 19j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-06dc0d511346]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1966

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