Seiko Cal. 3856 - 464

The Seiko 3856-464 represents an important milestone in Seiko's 1972 lineup. Powered by the 3856 caliber with 35j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-d45b2dbc8418]

Also known as: Sportsmatic, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1972

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