Seiko Cal. 3818 - 630

Released in 1991, the Cal. 3818 with design code 630 was part of Seiko's domestic market collection. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-085ac266fb2e]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1991

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