Seiko Cal. 5660 - 997

This Automatic model from 1988 features a 39mm Two-Tone case. It features a Navy dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-4cd708e75ef5]

Also known as: Rally, Arnie

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1988

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