Seiko Cal. 6658 - 738

Seiko 6658-738

This Hand-Winding model from 1968 features a 42mm PVD Black case. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-623c9b0fa3d8]

Also known as: Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
42mm
Case Thickness
13.2mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Silver
Jewels
29j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1968

Related Models

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