Seiko Cal. 5240 - 373

Released in 1981, the Cal. 5240 with design code 373 was part of Seiko's domestic market collection. It features a Green dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-001b60f88cd3]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1981

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