Seiko Cal. 3819 - 684

The 3819-684 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3819 caliber with 35j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-9bc4cf6f9d76]

Also known as: Tuna, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Cream

Jewels

35j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1998

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