Seiko Cal. 5243 - 671

The Seiko 5243-671 represents an important milestone in Seiko's 1970 lineup. Powered by the 5243 caliber with 18j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-ce006076ed24]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1970

Related Models

• Seiko 3829-595
• Seiko 5695-125
• Seiko 6663-872
• Seiko 4453-311
• Seiko 5695-720
• Seiko 6326-884
• Seiko 6679-775
• Seiko 3817-362
• Seiko 5613-753
• Seiko 6232-127
• Seiko 6680-496
• Seiko 4515-834