Seiko Cal. 6240 - 288

The 6240-288 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6240 caliber with 32j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-6c2d579a8902]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1970

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