Seiko Cal. 4563 - 250

The Seiko 4563-250 represents an important milestone in Seiko's 1986 lineup. Powered by the 4563 caliber with 34j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-20f0175656cd]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Black

Jewels

34j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1986

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