Seiko Cal. 7040 - 729

The 7040-729 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7040 caliber with 32j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-a1e4a161e2bf]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1985

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