Seiko Cal. 5240 - 453

The 5240-453 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5240 caliber with 24j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-67c52bb8c38a]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1987

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