Seiko Cal. 5638 - 488

The Seiko 5638-488 represents an important milestone in Seiko's 1988 lineup. It features a Green dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-84cb437adeba]

Also known as: Panda, Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1988

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