Seiko Cal. 3821 - 777

Seiko 3821-777

The 3821-777 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3821 caliber with 25j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-226df84a0305]

Also known as: Sportsmatic

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
10.4mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
200m
Dial Color
White
Jewels
25j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1996

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seikata-wm-226df84a0305