Seiko Cal. 3812 - 989

Seiko 3812-989

The 3812-989 is a sought-after Solar piece from Seiko's golden era. Powered by the 3812 caliber with 31j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-f9f809616ed6]

Also known as: Sportsmatic, Navigator

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
15.5mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Cream
Jewels
31j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1968

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