Seiko Cal. 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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