Seiko Cal. 5687 - 981

Seiko 5687-981

This Hand-Winding model from 1991 features a 40mm Hardlex-Coated Steel case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-a6aec2d5ef72]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
14.7mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Navy
Jewels
36j
Frequency
28,800 bph
Power Reserve
65 hours
Year
1991

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