Seiko Cal. 5278 - 399

The Seiko 5278-399 represents an important milestone in Seiko's 1985 lineup. Powered by the 5278 caliber with 17j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-6cfbbefbb4c2]

Also known as: Rally, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1985

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