Seiko Cal. 4596 - 988

Seiko 4596-988

This Hand-Winding model from 1974 features a 37mm Two-Tone case. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-46e8a3b5e2c0]

Also known as: Monster, Helmet

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
37mm
Case Thickness
12.0mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
180m
Dial Color
Navy
Jewels
20j
Frequency
21,600 bph
Power Reserve
50 hours
Year
1974

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