Seiko Cal. 0731 - 230

This Solar model from 1989 features a 36mm Two-Tone case. Powered by the 0731 caliber with 25j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-cabacacdb53b]

Also known as: Tuna, Arnie

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1989

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