Seiko Cal. 6613 - 133

This Solar model from 1973 features a 45mm Hardlex-Coated Steel case. Powered by the 6613 caliber with 26j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-d128db8e8e2a]

Also known as: Helmet, Rally

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1973

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