Seiko Cal. 4528 - 222

The Seiko 4528-222 represents an important milestone in Seiko's 1976 lineup. Powered by the 4528 caliber with 29j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-ee1ba97f5a0c]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1976

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