Seiko Cal. 6637 - 456

The Seiko 6637-456 represents an important milestone in Seiko's 1984 lineup. It features a Cream dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-16554f436109]

Also known as: Turtle, Pogue

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Cream

Jewels

29j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1984

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