Seiko Cal. 6240 - 787

The 6240-787 is a sought-after Solar piece from Seiko's golden era. Powered by the 6240 caliber with 23j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-806060996c32]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1977

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