Seiko Cal. 6616 - 764

The Seiko 6616-764 represents an important milestone in Seiko's 1992 lineup. It features a Black dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-6a98e4bac870]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1992

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