Seiko Cal. 4521 - 491

This Solar model from 1973 features a 46mm Stainless Steel case. Powered by the 4521 caliber with 22j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-d47d57c5db24]

Also known as: Sportsmatic, Flighty

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1973

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