Seiko Cal. 4413 - 442

Seiko 4413-442

This Hand-Winding model from 1967 features a 43mm Titanium case. Powered by the 4413 caliber with 23j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-1c09a75fe73f]

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
43mm
Case Thickness
14.7mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Silver
Jewels
23j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1967

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