Seiko Cal. 6661 - 366

Seiko 6661-366

This Spring Drive model from 1997 features a 44mm Hardlex-Coated Steel case. It features a Green dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-d406499f2a3e]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
12.3mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
70m
Dial Color
Green
Jewels
32j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1997

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