Seiko Cal. 3853 - 178

This Automatic model from 1983 features a 46mm PVD Black case. Powered by the 3853 caliber with 17j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-57f747415dfa]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1983

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