Seiko Cal. 5263 - 748

The Seiko 5263-748 represents an important milestone in Seiko's 1971 lineup. Powered by the 5263 caliber with 30j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-3893297ddc22]

Also known as: Bullhead, Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1971

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