Seiko Cal. 5645 - 635

The 5645-635 is a sought-after Solar piece from Seiko's golden era. With its 22mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-b018b1ebe76e]

Also known as: Tuna, Rally

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1984

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