Seiko Cal. 4531 - 252

Seiko 4531-252

The 4531-252 is a sought-after Hand-Winding piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-20f6b6c47f1c]

Also known as: Helmet, Navigator

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
45mm
Case Thickness
8.1mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
130m
Dial Color
White
Jewels
18j
Frequency
21,600 bph
Power Reserve
69 hours
Year
1968

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