Seiko Cal. 5682 - 720

Released in 1970, the Cal. 5682 with design code 720 was part of Seiko's domestic market collection. It features a White dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-cf9aab38c20b]

Also known as: Sumo, Silverwave

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1970

Related Models

• Seiko 7138-436
• Seiko 3895-570
• Seiko 5219-597
• Seiko 6642-342
• Seiko 4575-647
• Seiko 7128-281
• Seiko 4558-827
• Seiko 7187-543
• Seiko 7168-450
• Seiko 6128-222
• Seiko 6182-236
• Seiko 6125-249