Seiko Cal. 6168 - 393

The 6168-393 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6168 caliber with 28j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-cfd6b2a987d1]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Champagne

Jewels

28j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1970

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