Seiko Cal. 4486 - 633

The Seiko 4486-633 represents an important milestone in Seiko's 1979 lineup. It features a Green dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-8965360d4c73]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1979

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