Seiko Cal. 6386 - 777

This Spring Drive model from 1970 features a 43mm Two-Tone case. It features a Black dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-6bf4905d29c3]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1970

Related Models

• Seiko 6283-241
• Seiko 0710-538
• Seiko 0772-562
• Seiko 4580-272
• Seiko 0793-973
• Seiko 3890-890
• Seiko 6684-152
• Seiko 6615-360
• Seiko 7015-373
• Seiko 5620-917
• Seiko 6350-548
• Seiko 0748-271