Seiko Cal. 0730 - 631

The Seiko 0730-631 represents an important milestone in Seiko's 1980 lineup. It features a White dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-fa57e075a87a]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1980

Related Models

• Seiko 6630-689
• Seiko 6163-484
• Seiko 5668-277
• Seiko 4439-489
• Seiko 4539-195
• Seiko 3850-938
• Seiko 5671-640
• Seiko 6233-108
• Seiko 6356-338
• Seiko 7172-736
• Seiko 6275-149
• Seiko 6635-688