Seiko Cal. 6643 - 320

Seiko 6643-320

This Automatic model from 1999 features a 40mm Stainless Steel case. With its 22mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-4f6d8a20ffa2]

Also known as: Monster, Golden Tuna

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
12.1mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Navy
Jewels
31j
Frequency
36,000 bph
Power Reserve
59 hours
Year
1999

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