Seiko Cal. 0748 - 938

The Seiko 0748-938 represents an important milestone in Seiko's 1974 lineup. Powered by the 0748 caliber with 27j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-2fa7bf560d41]

Also known as: World Timer, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1974

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