Seiko Cal. 6343 - 746

This Spring Drive model from 1970 features a 45mm PVD Black case. Powered by the 6343 caliber with 28j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-839aec69bbd6]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1970

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