Seiko Cal. 4548 - 257

The Seiko 4548-257 represents an important milestone in Seiko's 1971 lineup. Powered by the 4548 caliber with 36j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-a22ebc8a646d]

Also known as: Samurai, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1971

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