Seiko Cal. 3828 - 552

This Hand-Winding model from 1981 features a 37mm Titanium case. Powered by the 3828 caliber with 36j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-2fdbcda815ce]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1981

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