Seiko Cal. 6374 - 840

The Seiko 6374-840 represents an important milestone in Seiko's 1980 lineup. It features a Navy dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-56945453894f]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1980

Related Models

• Seiko 7055-174
• Seiko 6186-208
• Seiko 6633-224
• Seiko 6387-903
• Seiko 6163-266
• Seiko 4449-880
• Seiko 6659-928
• Seiko 5686-776
• Seiko 6697-498
• Seiko 3813-454
• Seiko 4534-354
• Seiko 5247-277