Seiko Cal. 4540 - 920

Seiko 4540-920

This Spring Drive model from 1983 features a 42mm PVD Black case. It features a Burgundy dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-de756213395c]

Also known as: UFO, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
42mm
Case Thickness
15.0mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
80m
Dial Color
Burgundy
Jewels
29j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1983

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seikata-wm-de756213395c