Seiko Cal. 6658 - 445

The Seiko 6658-445 represents an important milestone in Seiko's 1976 lineup. Powered by the 6658 caliber with 30j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-b71dde7d255b]

Also known as: Samurai, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1976

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