Seiko Cal. 4490 - 770

The 4490-770 is a sought-after Solar piece from Seiko's golden era. Powered by the 4490 caliber with 17j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-ea4f7ff208ee]

Also known as: Shogun, World Timer

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1994

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