Seiko Cal. 3818 - 723

The Seiko 3818-723 represents an important milestone in Seiko's 1971 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-668db94642a1]

Also known as: Sumo, Helmet

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1971

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