Seiko Cal. 7121 - 657

Seiko 7121-657

This Spring Drive model from 1983 features a 41mm Hardlex-Coated Steel case. It features a Navy dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-bc74d863853f]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
12.2mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Navy
Jewels
32j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1983

Related Models

seikata-wm-bc74d863853f