Seiko Cal. 3825 - 384

The 3825-384 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3825 caliber with 18j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-1bc5271f1961]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1970

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