Seiko Cal. 3852 - 427

This Automatic model from 1976 features a 39mm PVD Black case. Powered by the 3852 caliber with 21j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-df438ea84e04]

Also known as: Sportsmatic, Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1976

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