Seiko Cal. 4563 - 738

The Seiko 4563-738 represents an important milestone in Seiko's 1967 lineup. Powered by the 4563 caliber with 30j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-36dd38b4deea]

Also known as: Tuna, Crown

Specifications

Movement

Solar

Case Material

Titanium

Case Width

35mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1967

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