Seiko Cal. 6677 - 597

Seiko 6677-597

This Spring Drive model from 1978 features a 44mm Hardlex-Coated Steel case. It features a Black dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-67a083aef3d8]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
8.7mm
Lug Width
19mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
190m
Dial Color
Black
Jewels
17j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1978

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seikata-wm-67a083aef3d8