Seiko Cal. 6378 - 166

The 6378-166 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-c783395b2dd8]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Burgundy

Jewels

30j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1980

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