Seiko Cal. 7040 - 235

The 7040-235 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-dfdea189c91f]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

32j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1977

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