Seiko Cal. 3897 - 946

This Solar model from 1989 features a 37mm Two-Tone case. Powered by the 3897 caliber with 28j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-48ac2fb787e7]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1989

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