Seiko Cal. 6644 - 439

Seiko 6644-439

The 6644-439 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Cream dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-3066cbcfccde]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
13.9mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Cream
Jewels
36j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1978

Related Models

seikata-wm-3066cbcfccde