Seiko Cal. 5240 - 856

The 5240-856 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5240 caliber with 35j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-940d61f0a9aa]

Also known as: Pogue, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1979

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