Seiko Cal. 6654 - 640

This Automatic model from 1986 features a 40mm Two-Tone case. It features a Champagne dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-9ac6e566900f]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1986

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