Seiko Cal. 4540 - 343

This Hand-Winding model from 1966 features a 46mm Stainless Steel case. It features a Black dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-e5c39c5d2e2a]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1966

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