Seiko Cal. 4521 - 348

The Seiko 4521-348 represents an important milestone in Seiko's 1980 lineup. Powered by the 4521 caliber with 25j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-46120f8fa621]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1980

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