Seiko Cal. 3899 - 860

Seiko 3899-860

The 3899-860 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3899 caliber with 22j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-e2a5186e24e6]

Also known as: Monster, Sportsmatic

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
9.4mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
40m
Dial Color
Silver
Jewels
22j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1989

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