Seiko Cal. 3837 - 443

Seiko 3837-443

The Seiko 3837-443 represents an important milestone in Seiko's 1976 lineup. Powered by the 3837 caliber with 20j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-c185932d48b1]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
43mm
Case Thickness
15.6mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Navy
Jewels
20j
Frequency
28,800 bph
Power Reserve
67 hours
Year
1976

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