Seiko Cal. 3840 - 701

The Seiko 3840-701 represents an important milestone in Seiko's 1978 lineup. Powered by the 3840 caliber with 18j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-5fb81b46d0aa]

Also known as: Navigator

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

White

Jewels

18j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1978

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