Seiko Cal. 3878 - 181

This Hand-Winding model from 1978 features a 43mm Gold-Plated case. With its 20mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-f516ce1dc694]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1978

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