Seiko Cal. 4538 - 348

The Seiko 4538-348 represents an important milestone in Seiko's 1983 lineup. Powered by the 4538 caliber with 21j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-96a26f1f9c0c]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1983

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