Seiko Cal. 4439 - 737

Seiko 4439-737

This Automatic model from 1967 features a 39mm Titanium case. Powered by the 4439 caliber with 27j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-41e37ca99b7a]

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
39mm
Case Thickness
8.0mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Black
Jewels
27j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1967

Related Models

seikata-wm-41e37ca99b7a