Seiko Cal. 5278 - 308

This Solar model from 1966 features a 38mm Two-Tone case. Powered by the 5278 caliber with 25j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-4cf5ac7e8fb1]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1966

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