Seiko Cal. 4536 - 640

The 4536-640 is a sought-after Automatic piece from Seiko's golden era. It features a Champagne dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-864ee25235e9]

Also known as: UFO, Golden Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1984

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