Seiko Cal. 5645 - 902

The 5645-902 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5645 caliber with 17j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-5ccbfa744a51]

Also known as: Tuna, Rally

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1988

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