Seiko Cal. 6381 - 523

Released in 1976, the Cal. 6381 with design code 523 was part of Seiko's domestic market collection. It features a Black dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-7bce1edf18be]

Also known as: Goldfeather

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1976

Related Models

• Seiko 6652-100
• Seiko 5618-250
• Seiko 4418-257
• Seiko 7029-620
• Seiko 7135-167
• Seiko 6193-414
• Seiko 6687-416
• Seiko 4562-641
• Seiko 6341-587
• Seiko 6141-320
• Seiko 7112-143
• Seiko 4521-752