Seiko Cal. 4437 - 821

Seiko 4437-821

This Quartz model from 1973 features a 41mm PVD Black case. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-0f9da2c2f2d9]

Also known as: Golden Tuna

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
41mm
Case Thickness
14.2mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Green
Jewels
21j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1973

Related Models

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