Seiko Cal. 6378 - 116

The 6378-116 is a sought-after Hand-Winding piece from Seiko's golden era. With its 20mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-2bc8ac3e5093]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1966

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