Seiko Cal. 4590 - 640

The 4590-640 is a sought-after Automatic piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-9950075c88a2]

Also known as: Sumo, Panda

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1965

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