Seiko Cal. 6659 - 437

The Seiko 6659-437 represents an important milestone in Seiko's 1989 lineup. It features a Cream dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-f227f7fa5b4f]

Also known as: Turtle, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Cream

Jewels

25j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1989

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