Seiko Cal. 5645 - 489

The Seiko 5645-489 represents an important milestone in Seiko's 1991 lineup. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-ee02684e97f1]

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1991

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