Seiko Cal. 5645 - 689

Released in 1971, the Cal. 5645 with design code 689 was part of Seiko's domestic market collection. With its 19mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-eb14acc847f0]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1971

Related Models

• Seiko 3880-247
• Seiko 5660-643
• Seiko 6149-645
• Seiko 4465-394
• Seiko 3894-450
• Seiko 7170-166
• Seiko 5656-333
• Seiko 5288-924
• Seiko 7092-520
• Seiko 4429-209
• Seiko 6125-565
• Seiko 4494-876