Seiko Cal. 0743 - 308

The 0743-308 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0743 caliber with 36j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-369d4d3e89ed]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1966

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