Seiko Cal. 4546 - 550

Seiko 4546-550

The 4546-550 is a sought-after Automatic piece from Seiko's golden era. The Fixed bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-a5f606c4eff5]

Also known as: Sumo, Bullhead

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
34mm
Case Thickness
15.7mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
30m
Dial Color
Black
Jewels
17j
Frequency
28,800 bph
Power Reserve
70 hours
Year
1969

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