Seiko Cal. 6658 - 979

This Automatic model from 1967 features a 40mm Stainless Steel case. Powered by the 6658 caliber with 18j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-ae3b40916492]

Also known as: Samurai, Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1967

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