Seiko Cal. 6634 - 394

This Solar model from 1975 features a 41mm Hardlex-Coated Steel case. Powered by the 6634 caliber with 29j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-e6cacf32031b]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1975

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