Seiko Cal. 6390 - 788

Released in 1996, the Cal. 6390 with design code 788 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-a2fbb54adb74]

Also known as: Monster, Crown

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1996

Related Models

• Seiko 5220-452
• Seiko 6610-208
• Seiko 7193-299
• Seiko 3869-170
• Seiko 7044-565
• Seiko 7048-922
• Seiko 4559-830
• Seiko 6397-123
• Seiko 5279-434
• Seiko 6142-600
• Seiko 5629-803
• Seiko 5666-521