Seiko Cal. 4498 - 644

The Seiko 4498-644 represents an important milestone in Seiko's 1979 lineup. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-ed3e336cb5ee]

Also known as: Tuna, Crown

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1979

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