Seiko Cal. 7040 - 431

This Hand-Winding model from 1978 features a 40mm Stainless Steel case. It features a Black dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-c1431d094e1a]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1978

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