Seiko Cal. 6377 - 473

Released in 1972, the Cal. 6377 with design code 473 was part of Seiko's domestic market collection. It features a Black dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-9afde4fb605d]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1972

Related Models

• Seiko 6116-545
• Seiko 0728-193
• Seiko 7135-119
• Seiko 5249-624
• Seiko 6144-726
• Seiko 4452-997
• Seiko 5663-806
• Seiko 7064-678
• Seiko 6286-715
• Seiko 5234-899
• Seiko 4461-569
• Seiko 0711-875