Seiko Cal. 3818 - 637

The 3818-637 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3818 caliber with 34j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-5e450fc0dce5]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1998

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