Seiko Cal. 6640 - 367

This Automatic model from 1973 features a 43mm PVD Black case. It features a Green dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-b6440ec999ee]

Also known as: Pogue, World Timer

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1973

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