Seiko Cal. 4577 - 421

The Seiko 4577-421 represents an important milestone in Seiko's 1994 lineup. Powered by the 4577 caliber with 29j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-e8327958623f]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1994

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