Seiko Cal. 3842 - 657

The 3842-657 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3842 caliber with 22j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-7e3b5906fb8e]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Cream

Jewels

22j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1973

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