Seiko Cal. 3837 - 520

Seiko 3837-520

The 3837-520 is a sought-after Automatic piece from Seiko's golden era. With its 19mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-7f4e0ec45121]

Also known as: Crown, Baby Tuna

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
10.7mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Green
Jewels
22j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1991

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seikata-wm-7f4e0ec45121