Seiko Cal. 0727 - 948

The Seiko 0727-948 represents an important milestone in Seiko's 1967 lineup. Powered by the 0727 caliber with 18j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-76e4a155e5dc]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

White

Jewels

18j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1967

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