Seiko Cal. 3840 - 984

The Seiko 3840-984 represents an important milestone in Seiko's 1981 lineup. It features a Champagne dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-ae1339de3244]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1981

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