Seiko Cal. 5637 - 884

The Seiko 5637-884 represents an important milestone in Seiko's 1965 lineup. It features a Black dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-36e9b16224ac]

Also known as: Panda, UFO

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1965

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