Seiko Cal. 6391 - 410

This Hand-Winding model from 1965 features a 38mm Gold-Plated case. With its 19mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-70897e263f88]

Also known as: Sumo, Crown

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1965

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