Seiko Cal. 4490 - 842

Seiko 4490-842

The 4490-842 is a sought-after Hand-Winding piece from Seiko's golden era. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-e462bd228272]

Also known as: Helmet

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
8.1mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Blue Sunburst
Jewels
17j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1988

Related Models

seikata-wm-e462bd228272