Seiko Cal. 6676 - 317

The Seiko 6676-317 represents an important milestone in Seiko's 1971 lineup. Powered by the 6676 caliber with 30j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-1240b4876172]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1971

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