Seiko Cal. 4528 - 764

The Seiko 4528-764 represents an important milestone in Seiko's 1985 lineup. It features a Silver dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-0abae8be66ca]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1985

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