Seiko Cal. 6678 - 431

This Hand-Winding model from 1978 features a 36mm PVD Black case. With its 19mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-cab9fbffc48d]

Also known as: UFO, Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1978

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