Seiko Cal. 3866 - 920

This Hand-Winding model from 1969 features a 36mm PVD Black case. With its 21mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-6be3064e3cda]

Also known as: Panda

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1969

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