Seiko Cal. 5240 - 894

The 5240-894 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5240 caliber with 30j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-3979a132d4a1]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1985

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