Seiko Cal. 5263 - 420

The Seiko 5263-420 represents an important milestone in Seiko's 1968 lineup. Powered by the 5263 caliber with 29j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-c9b36c789fe2]

Also known as: Crown, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1968

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