Seiko Cal. 4498 - 779

This Solar model from 1974 features a 39mm Two-Tone case. Powered by the 4498 caliber with 25j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-6836f201fe37]

Also known as: Sumo, Navigator

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1974

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