Seiko Cal. 5240 - 854

This Spring Drive model from 1987 features a 35mm Hardlex-Coated Steel case. Powered by the 5240 caliber with 31j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-05cb2e970e3f]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1987

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