Seiko Cal. 3816 - 676

Seiko 3816-676

The 3816-676 is a sought-after Solar piece from Seiko's golden era. Powered by the 3816 caliber with 29j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-3778d1d0646e]

Also known as: Sumo, Tuna

Specifications

Movement
Solar
Case Material
Titanium
Case Width
46mm
Case Thickness
12.6mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Green
Jewels
29j
Frequency
28,800 bph
Power Reserve
47 hours
Year
1989

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