Seiko Cal. 4446 - 187

Seiko 4446-187

The Seiko 4446-187 represents an important milestone in Seiko's 1972 lineup. With its 20mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-bc4a845aa359]

Also known as: Sumo

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
12.0mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Silver
Jewels
17j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1972

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