Seiko Cal. 6334 - 877

This Spring Drive model from 1971 features a 40mm Hardlex-Coated Steel case. Powered by the 6334 caliber with 26j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-604b8ea92a12]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1971

Related Models

• Seiko 7040-919
• Seiko 6377-168
• Seiko 7156-946
• Seiko 4465-724
• Seiko 5216-515
• Seiko 3877-339
• Seiko 0725-803
• Seiko 6241-127
• Seiko 7176-535
• Seiko 7143-603
• Seiko 6384-836
• Seiko 6147-682