Seiko Cal. 3857 - 356

The 3857-356 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3857 caliber with 26j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-fbe8ca7f5366]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1984

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