Seiko Cal. 3847 - 728

The Seiko 3847-728 represents an important milestone in Seiko's 1981 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-2669c2fc2b03]

Also known as: Navigator, Crown

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Champagne

Jewels

35j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1981

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