Seiko Cal. 5645 - 984

Released in 1984, the Cal. 5645 with design code 984 was part of Seiko's domestic market collection. With its 21mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-f7ee19ca8db4]

Also known as: Rally, Sportsmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1984

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