Seiko Cal. 5646 - 285

This Quartz model from 1974 features a 38mm Stainless Steel case. With its 18mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-d33fb6c7ee11]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1974

Related Models

• Seiko 6182-429
• Seiko 4415-564
• Seiko 4562-945
• Seiko 6694-671
• Seiko 7030-715
• Seiko 5217-957
• Seiko 5281-611
• Seiko 6183-332
• Seiko 6151-256
• Seiko 4437-590
• Seiko 7030-688
• Seiko 4586-754