Seiko Cal. 4445 - 384

Seiko 4445-384

The 4445-384 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4445 caliber with 31j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-dae8d7ca87b2]

Also known as: Sumo, Bullhead

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
34mm
Case Thickness
13.3mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Silver
Jewels
31j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1990

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