Seiko Cal. 6636 - 157

The Seiko 6636-157 represents an important milestone in Seiko's 1981 lineup. It features a White dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-c498b5bebe56]

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1981

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