Seiko Cal. 6658 - 402

Seiko 6658-402

This Spring Drive model from 1979 features a 45mm Hardlex-Coated Steel case. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-e2232d6867df]

Also known as: Tuna, World Timer

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
9.4mm
Lug Width
18mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
100m
Dial Color
Navy
Jewels
32j
Frequency
21,600 bph
Power Reserve
65 hours
Year
1979

Related Models

seikata-wm-e2232d6867df