Seiko Cal. 4527 - 448

The 4527-448 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4527 caliber with 36j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-b64aa53aaac9]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1993

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