Seiko Cal. 5630 - 406

The Seiko 5630-406 represents an important milestone in Seiko's 1975 lineup. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-914d1612cd49]

Also known as: Bullhead, UFO

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

33j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1975

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