Seiko Cal. 4497 - 634

The 4497-634 is a sought-after Solar piece from Seiko's golden era. Powered by the 4497 caliber with 24j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-544de28a31fc]

Also known as: Navigator

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1977

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