Seiko Cal. 6392 - 706

This Spring Drive model from 1973 features a 42mm Stainless Steel case. Powered by the 6392 caliber with 23j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-ac3ec075bdb6]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

13.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1973

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