Seiko Cal. 5640 - 387

This Quartz model from 1998 features a 42mm Two-Tone case. It features a Champagne dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-2926656df1d0]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1998

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