Seiko Cal. 7040 - 641

This Spring Drive model from 1968 features a 34mm PVD Black case. It features a Black dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-109c363edf5a]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1968

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