Seiko Cal. 3867 - 240

The 3867-240 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3867 caliber with 18j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-fe154769c282]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1976

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