Seiko Cal. 5640 - 773

The Seiko 5640-773 represents an important milestone in Seiko's 1992 lineup. It features a Silver dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-2a7ed5510c53]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1992

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