Seiko Cal. 3864 - 763

Released in 1992, the Cal. 3864 with design code 763 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-0e691ddd6083]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

36j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1992

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