Seiko Cal. 4540 - 693

Seiko 4540-693

This Quartz model from 1977 features a 37mm PVD Black case. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-9e86d267d4ff]

Also known as: Monster, Silverwave

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
37mm
Case Thickness
11.7mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
170m
Dial Color
Cream
Jewels
31j
Frequency
36,000 bph
Power Reserve
46 hours
Year
1977

Related Models

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