Seiko Cal. 3857 - 444

The Seiko 3857-444 represents an important milestone in Seiko's 1968 lineup. Powered by the 3857 caliber with 17j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-8623b74d84dd]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1968

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