Seiko Cal. 5278 - 943

Released in 1977, the Cal. 5278 with design code 943 was part of Seiko's domestic market collection. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-84ab400be15f]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1977

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