Seiko Cal. 3828 - 862

The 3828-862 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3828 caliber with 21j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-4e9c0ec69c6c]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1990

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