Seiko Cal. 5263 - 438

The Seiko 5263-438 represents an important milestone in Seiko's 1977 lineup. Powered by the 5263 caliber with 31j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-b1c088e997c5]

Also known as: Samurai, Pogue

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1977

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