Seiko Cal. 5623 - 309

The Seiko 5623-309 represents an important milestone in Seiko's 1999 lineup. Powered by the 5623 caliber with 30j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-8f470be3cefc]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1999

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