Seiko Cal. 6647 - 789

Seiko 6647-789

The 6647-789 is a sought-after Quartz piece from Seiko's golden era. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-90c6a4c35f10]

Also known as: Monster, Navigator

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
15.7mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Burgundy
Jewels
32j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1998

Related Models

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