Seiko Cal. 4437 - 411

Seiko 4437-411

The 4437-411 is a sought-after Automatic piece from Seiko's golden era. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-3182c2f0fa61]

Also known as: Bellmatic

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
14.3mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
30m
Dial Color
Silver
Jewels
35j
Frequency
21,600 bph
Power Reserve
72 hours
Year
1965

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