Seiko Cal. 4537 - 462

The Seiko 4537-462 represents an important milestone in Seiko's 1980 lineup. Powered by the 4537 caliber with 23j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-71cc6473545c]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1980

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