Seiko Cal. 0778 - 381

This Hand-Winding model from 1993 features a 35mm PVD Black case. With its 22mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-1be329b56f50]

Also known as: Sumo, Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1993

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