Seiko Cal. 4430 - 688

Seiko 4430-688

The 4430-688 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4430 caliber with 21j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-d0c3f01e5af3]

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
38mm
Case Thickness
10.8mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Cream
Jewels
21j
Frequency
36,000 bph
Power Reserve
53 hours
Year
1968

Related Models

seikata-wm-d0c3f01e5af3