Seiko Cal. 4441 - 104

Seiko 4441-104

The 4441-104 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-9a1336b0c752]

Also known as: Helmet, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
42mm
Case Thickness
12.5mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Black
Jewels
25j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1973

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