Seiko Cal. 5645 - 204

Released in 1978, the Cal. 5645 with design code 204 was part of Seiko's domestic market collection. With its 21mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-35fef67ba7f1]

Also known as: Bullhead, Flighty

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Cream

Jewels

28j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1978

Related Models

• Seiko 6274-905
• Seiko 4493-585
• Seiko 6177-793
• Seiko 7020-865
• Seiko 4595-922
• Seiko 4480-801
• Seiko 7159-868
• Seiko 7182-782
• Seiko 7041-975
• Seiko 7167-837
• Seiko 6319-836
• Seiko 7129-247