Seiko Cal. 3818 - 727

The 3818-727 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3818 caliber with 26j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-49d92024dd0f]

Also known as: Bullhead, Goldfeather

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1981

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