Seiko Cal. 6645 - 152

The Seiko 6645-152 represents an important milestone in Seiko's 1997 lineup. It features a Black dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-a9bfa8960acf]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1997

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