Seiko Cal. 4548 - 813

The 4548-813 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4548 caliber with 31j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-6f154a4929db]

Also known as: Emperor, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1977

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