Seiko Cal. 6650 - 258

Released in 1967, the Cal. 6650 with design code 258 was part of Seiko's domestic market collection. Powered by the 6650 caliber with 18j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-79b2ac17fb9e]

Also known as: World Timer, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1967

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