Seiko Cal. 4548 - 310

The 4548-310 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4548 caliber with 27j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-7e7475d71a55]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1981

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