Seiko Cal. 3856 - 278

This Kinetic model from 1970 features a 42mm Hardlex-Coated Steel case. Powered by the 3856 caliber with 21j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-77f214724470]

Also known as: Turtle, Monster

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1970

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