Seiko Cal. 5640 - 516

Seiko 5640-516

This Solar model from 1974 features a 46mm Hardlex-Coated Steel case. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-bd92dca5ec2d]

Also known as: Navigator

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
11.6mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Cream
Jewels
36j
Frequency
21,600 bph
Power Reserve
49 hours
Year
1974

Related Models

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