Seiko Cal. 0727 - 818

This Automatic model from 1981 features a 37mm Titanium case. Powered by the 0727 caliber with 32j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-ebeff521e85c]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1981

Related Models

• Seiko 7063-206
• Seiko 6226-447
• Seiko 6290-806
• Seiko 7112-411
• Seiko 6324-709
• Seiko 6646-138
• Seiko 6357-304
• Seiko 7022-285
• Seiko 6262-724
• Seiko 6397-576
• Seiko 6292-127
• Seiko 6694-621