Seiko Cal. 3819 - 987

Seiko 3819-987

The 3819-987 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3819 caliber with 30j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-8bc9f6a290e0]

Also known as: Sumo

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
9.3mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Blue Sunburst
Jewels
30j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1990

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