Seiko Cal. 3818 - 640

The 3818-640 is a sought-after Kinetic piece from Seiko's golden era. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-1d821cb4b13d]

Also known as: Bellmatic, Emperor

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1986

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