Seiko Cal. 5638 - 383

The 5638-383 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-290d4e6617bf]

Also known as: Panda, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1971

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