Seiko Cal. 4521 - 644

The Seiko 4521-644 represents an important milestone in Seiko's 1980 lineup. It features a White dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-bc347910a9a9]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

White

Jewels

24j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1980

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