Seiko Cal. 3897 - 365

This Automatic model from 1999 features a 37mm Two-Tone case. Powered by the 3897 caliber with 17j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-36169bf74def]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1999

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