Seiko Cal. 6682 - 638

This Hand-Winding model from 1988 features a 41mm Titanium case. It features a Black dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-048b0297ae92]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1988

Related Models

• Seiko 3876-610
• Seiko 4427-419
• Seiko 4462-228
• Seiko 6160-309
• Seiko 7182-221
• Seiko 4427-606
• Seiko 6288-903
• Seiko 4457-900
• Seiko 7194-372
• Seiko 6236-340
• Seiko 7154-840
• Seiko 6630-595