Seiko Cal. 6310 - 441

This Spring Drive model from 1987 features a 41mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-9da6697cb48e]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1987

Related Models

• Seiko 7068-880
• Seiko 5242-511
• Seiko 5226-221
• Seiko 0763-266
• Seiko 6129-781
• Seiko 7050-588
• Seiko 6292-227
• Seiko 0785-196
• Seiko 4572-206
• Seiko 6134-585
• Seiko 0730-965
• Seiko 4552-689