Seiko Cal. 5245 - 643

The 5245-643 is a sought-after Solar piece from Seiko's golden era. Powered by the 5245 caliber with 36j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-e03a9cae9be3]

Also known as: Tuna, Silverwave

Specifications

Movement

Solar

Case Material

Titanium

Case Width

35mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Burgundy

Jewels

36j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1977

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