Seiko Cal. 6640 - 799

Seiko 6640-799

The Seiko 6640-799 represents an important milestone in Seiko's 1992 lineup. It features a Cream dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-37741c3dffaa]

Also known as: Golden Tuna

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
36mm
Case Thickness
13.0mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
60m
Dial Color
Cream
Jewels
24j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1992

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