Seiko Cal. 4521 - 630

The Seiko 4521-630 represents an important milestone in Seiko's 1991 lineup. It features a White dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-66f89c64f38e]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1991

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