Seiko Cal. 4520 - 316

Seiko 4520-316

The 4520-316 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-fcd1212751c9]

Also known as: Bellmatic

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
34mm
Case Thickness
8.4mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Black
Jewels
18j
Frequency
36,000 bph
Power Reserve
45 hours
Year
1968

Related Models

seikata-wm-fcd1212751c9