Seiko Cal. 7040 - 431

The 7040-431 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-259f40e7be7a]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1969

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