Seiko Cal. 7040 - 727

This Hand-Winding model from 1966 features a 37mm Stainless Steel case. It features a Green dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-c043f9d1f382]

Also known as: Monster, Crown

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1966

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