Seiko Cal. 6343 - 990

This Spring Drive model from 1979 features a 43mm Titanium case. Powered by the 6343 caliber with 29j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-7065af163b1b]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1979

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