Seiko Cal. 7185 - 390

This Spring Drive model from 1991 features a 35mm PVD Black case. With its 21mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-7e98ab4e4d43]

Also known as: Sumo, Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1991

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