Seiko Cal. 4521 - 151

The Seiko 4521-151 represents an important milestone in Seiko's 1991 lineup. Powered by the 4521 caliber with 25j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-3f43e70cf94e]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1991

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