Seiko Cal. 6290 - 674

This Spring Drive model from 1986 features a 45mm Titanium case. Powered by the 6290 caliber with 24j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-3e66ead1421f]

Also known as: Tuna, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1986

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