Seiko Cal. 5278 - 700

This Solar model from 1988 features a 45mm Hardlex-Coated Steel case. Powered by the 5278 caliber with 24j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-d48e4b5c5ae5]

Also known as: Samurai, Helmet

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1988

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