Seiko Cal. 6240 - 731

The Seiko 6240-731 represents an important milestone in Seiko's 1988 lineup. Powered by the 6240 caliber with 24j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-2417c9657bdd]

Also known as: Sumo, Panda

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1988

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