Seiko Cal. 3842 - 580

The 3842-580 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3842 caliber with 21j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-ef05140c73f3]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1971

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