Seiko Cal. 5240 - 835

The Seiko 5240-835 represents an important milestone in Seiko's 1981 lineup. It features a Black dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-bd7f6772a1cc]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1981

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