Seiko Cal. 5278 - 388

This Quartz model from 1968 features a 46mm Stainless Steel case. Powered by the 5278 caliber with 23j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-2b65b4d15f04]

Also known as: Bellmatic, World Timer

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1968

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