Seiko Cal. 3837 - 920

Seiko 3837-920

The 3837-920 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3837 caliber with 20j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-44be5ad88b56]

Also known as: Silverwave, Arnie

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
11.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Champagne
Jewels
20j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1976

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seikata-wm-44be5ad88b56