Seiko Cal. 4441 - 643

Seiko 4441-643

This Automatic model from 1974 features a 38mm Hardlex-Coated Steel case. Powered by the 4441 caliber with 26j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-dc5b49650676]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
10.5mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Burgundy
Jewels
26j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1974

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seikata-wm-dc5b49650676