Seiko Cal. 4545 - 637

The Seiko 4545-637 represents an important milestone in Seiko's 1984 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-8a232e98a41c]

Also known as: Goldfeather, Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1984

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