Seiko Cal. 3840 - 288

The Seiko 3840-288 represents an important milestone in Seiko's 1979 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-fff1ff7867f7]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

17j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1979

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