Seiko Cal. 3815 - 477

This Automatic model from 1999 features a 34mm Titanium case. Powered by the 3815 caliber with 18j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-13f48548e1cf]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1999

Related Models

• Seiko 6232-233
• Seiko 4415-284
• Seiko 7182-939
• Seiko 5685-627
• Seiko 7152-658
• Seiko 6351-566
• Seiko 7148-517
• Seiko 6132-820
• Seiko 5621-304
• Seiko 5245-428
• Seiko 4554-731
• Seiko 4437-525