Seiko Cal. 6647 - 742

Seiko 6647-742

The 6647-742 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-fc62764d302c]

Also known as: Pogue, Navigator

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
14.9mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Green
Jewels
22j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1993

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