Seiko Cal. 6343 - 681

The Seiko 6343-681 represents an important milestone in Seiko's 1971 lineup. Powered by the 6343 caliber with 18j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-e707c56e814d]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1971

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