Seiko Cal. 6381 - 877

Released in 1989, the Cal. 6381 with design code 877 was part of Seiko's domestic market collection. It features a Navy dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-de762f7d0032]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1989

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