Seiko Cal. 5278 - 973

This Hand-Winding model from 1970 features a 42mm Two-Tone case. Powered by the 5278 caliber with 31j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-775b54a969ef]

Also known as: Pogue, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1970

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