Seiko Cal. 5630 - 333

The Seiko 5630-333 represents an important milestone in Seiko's 1966 lineup. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-a38670218273]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1966

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