Seiko Cal. 4430 - 690

Seiko 4430-690

The 4430-690 is a sought-after Quartz piece from Seiko's golden era. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-1d8355d30319]

Also known as: Helmet

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
37mm
Case Thickness
11.6mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Silver
Jewels
22j
Frequency
28,800 bph
Power Reserve
44 hours
Year
1984

Related Models

seikata-wm-1d8355d30319