Seiko Cal. 6290 - 678

The 6290-678 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6290 caliber with 27j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-b5e907697eb8]

Also known as: World Timer, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1973

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