Seiko Cal. 4523 - 437

The Seiko 4523-437 represents an important milestone in Seiko's 1989 lineup. Powered by the 4523 caliber with 17j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-812c25d797b3]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1989

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