Seiko Cal. 3840 - 318

The Seiko 3840-318 represents an important milestone in Seiko's 1991 lineup. It features a Cream dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-0681ca32ea49]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1991

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