Seiko Cal. 3864 - 323

The 3864-323 is a sought-after Automatic piece from Seiko's golden era. With its 18mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-150de027fc9c]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1997

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