Seiko Cal. 6263 - 639

The Seiko 6263-639 represents an important milestone in Seiko's 1967 lineup. Powered by the 6263 caliber with 30j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-dc543ef0ab9b]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1967

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