Seiko Cal. 5240 - 440

Released in 1985, the Cal. 5240 with design code 440 was part of Seiko's domestic market collection. Powered by the 5240 caliber with 30j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-edb7cbdb63d8]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1985

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