Seiko Cal. 3840 - 929

The Seiko 3840-929 represents an important milestone in Seiko's 1972 lineup. It features a White dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-10a160df2a74]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1972

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