Seiko Cal. 3840 - 504

Released in 1999, the Cal. 3840 with design code 504 was part of Seiko's domestic market collection. It features a Navy dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-67087ace8bc0]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1999

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