Seiko Cal. 3816 - 176

Seiko 3816-176

The 3816-176 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3816 caliber with 23j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-00b0efa65824]

Also known as: Sumo, Bellmatic

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
15.1mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Champagne
Jewels
23j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1999

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