Seiko Cal. 4548 - 851

Seiko 4548-851

The 4548-851 is a sought-after Hand-Winding piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-ee0d4128057d]

Also known as: Bullhead, Helmet

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
37mm
Case Thickness
12.3mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
White
Jewels
31j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1992

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