Seiko Cal. 7039 - 230

The 7039-230 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7039 caliber with 32j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-7b131f64ea2e]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1992

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