Seiko Cal. 3818 - 844

The Seiko 3818-844 represents an important milestone in Seiko's 1987 lineup. It features a Green dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-f749ecb0f169]

Also known as: Sumo, World Timer

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

46mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1987

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