Seiko Cal. 3840 - 175

The Seiko 3840-175 represents an important milestone in Seiko's 1985 lineup. Powered by the 3840 caliber with 18j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-f49cb3f54e4c]

Also known as: Samurai, Flighty

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1985

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