Seiko Cal. 3821 - 429

The 3821-429 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3821 caliber with 18j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-9b7cf5d26adf]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1989

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