Seiko Cal. 6646 - 388

This Solar model from 1989 features a 35mm PVD Black case. It features a Burgundy dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-02fcfd45cd69]

Also known as: Tuna, Arnie

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

17j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1989

Related Models

• Seiko 6272-496
• Seiko 7042-755
• Seiko 4494-300
• Seiko 7152-291
• Seiko 4423-412
• Seiko 7154-470
• Seiko 0754-834
• Seiko 0713-563
• Seiko 3813-185
• Seiko 4446-384
• Seiko 6147-182
• Seiko 3871-955