Seiko Cal. 4521 - 277

This Hand-Winding model from 1995 features a 39mm Stainless Steel case. Powered by the 4521 caliber with 27j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-4ff51b2d3492]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1995

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