Seiko Cal. 4548 - 899

This Spring Drive model from 1968 features a 41mm Hardlex-Coated Steel case. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-2c18d04b58a7]

Also known as: Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1968

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