Seiko Cal. 4521 - 492

The Seiko 4521-492 represents an important milestone in Seiko's 1977 lineup. Powered by the 4521 caliber with 28j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-f3808e37a343]

Also known as: Shogun, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1977

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