Seiko Cal. 6633 - 142

The Seiko 6633-142 represents an important milestone in Seiko's 1993 lineup. Powered by the 6633 caliber with 35j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-d21911b67d92]

Also known as: Helmet, Flighty

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1993

Related Models

• Seiko 0752-335
• Seiko 0789-732
• Seiko 7129-568
• Seiko 7049-555
• Seiko 4487-256
• Seiko 5681-558
• Seiko 7036-537
• Seiko 6661-412
• Seiko 4550-489
• Seiko 6314-552
• Seiko 5231-376
• Seiko 6128-379