Seiko Cal. 3852 - 987

The Seiko 3852-987 represents an important milestone in Seiko's 1971 lineup. Powered by the 3852 caliber with 31j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-871b869d29de]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1971

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