Seiko Cal. 4492 - 638

The Seiko 4492-638 represents an important milestone in Seiko's 1974 lineup. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-4af615d0b216]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1974

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