Seiko Cal. 3816 - 725

Seiko 3816-725

Released in 1979, the Cal. 3816 with design code 725 was part of Seiko's domestic market collection. Powered by the 3816 caliber with 23j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-ffbf3c60ac9d]

Also known as: Turtle, Golden Tuna

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
45mm
Case Thickness
10.2mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
160m
Dial Color
Cream
Jewels
23j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1979

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