Seiko Cal. 6613 - 878

Seiko 6613-878

This Kinetic model from 1970 features a 41mm Hardlex-Coated Steel case. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-fa6797a79b48]

Also known as: Monster

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
10.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Green
Jewels
18j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1970

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