Seiko Cal. 4443 - 507

Seiko 4443-507

The 4443-507 is a sought-after Automatic piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-08e0f9d53db6]

Also known as: Navigator

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
9.4mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
140m
Dial Color
Navy
Jewels
33j
Frequency
36,000 bph
Power Reserve
37 hours
Year
1981

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