Seiko Cal. 5640 - 418

This Quartz model from 1996 features a 46mm Titanium case. It features a Champagne dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-4b9419045a9d]

Also known as: Tuna, World Timer

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1996

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