Seiko Cal. 5640 - 816

This Spring Drive model from 1995 features a 39mm Titanium case. It features a White dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-2c7ef0470f6a]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1995

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