Seiko Cal. 6630 - 494

Seiko 6630-494

This Spring Drive model from 1993 features a 42mm Hardlex-Coated Steel case. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-c170328c444a]

Also known as: Tuna, UFO

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
14.9mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Cream
Jewels
36j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1993

Related Models

seikata-wm-c170328c444a