Seiko Cal. 6240 - 590

This Solar model from 1974 features a 45mm Hardlex-Coated Steel case. Powered by the 6240 caliber with 17j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-c6145c43b1ba]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1974

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