Seiko Cal. 3816 - 373

Seiko 3816-373

This Spring Drive model from 1970 features a 36mm Hardlex-Coated Steel case. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-99b9cece533c]

Also known as: Sea Horse, Arnie

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
10.2mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
130m
Dial Color
Navy
Jewels
32j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1970

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