Seiko Cal. 0731 - 628

The Seiko 0731-628 represents an important milestone in Seiko's 1982 lineup. With its 22mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-2a5d3d9ae684]

Also known as: Turtle, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1982

Related Models

• Seiko 4488-971
• Seiko 3821-505
• Seiko 4448-760
• Seiko 7068-621
• Seiko 7138-882
• Seiko 6126-215
• Seiko 3868-660
• Seiko 4420-433
• Seiko 5276-456
• Seiko 6674-338
• Seiko 5233-707
• Seiko 0790-368