Seiko Cal. 6343 - 931

The Seiko 6343-931 represents an important milestone in Seiko's 1978 lineup. Powered by the 6343 caliber with 21j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-4dd6d7c44a2c]

Also known as: Helmet, Silverwave

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1978

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