Seiko Cal. 3861 - 175

The Seiko 3861-175 represents an important milestone in Seiko's 1985 lineup. Powered by the 3861 caliber with 22j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-dde9f5ffd64d]

Also known as: Helmet, Flighty

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1985

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