Seiko Cal. 3858 - 321

The 3858-321 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3858 caliber with 28j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-5aae85f4438d]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1975

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