Seiko Cal. 5240 - 887

The Seiko 5240-887 represents an important milestone in Seiko's 1978 lineup. It features a Cream dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-1d0c31b085bb]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Cream

Jewels

35j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1978

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