Seiko Cal. 3891 - 510

Seiko 3891-510

The 3891-510 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3891 caliber with 28j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-249a5eefbbb5]

Also known as: Emperor, Arnie

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
9.3mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Blue Sunburst
Jewels
28j
Frequency
21,600 bph
Power Reserve
44 hours
Year
1986

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