Seiko Cal. 3821 - 672

Seiko 3821-672

This Spring Drive model from 1989 features a 35mm Stainless Steel case. Powered by the 3821 caliber with 22j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-e19eaf044238]

Also known as: Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
9.7mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Champagne
Jewels
22j
Frequency
21,600 bph
Power Reserve
72 hours
Year
1989

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