Seiko Cal. 6391 - 738

The 6391-738 is a sought-after Solar piece from Seiko's golden era. With its 20mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-f8aeaaaf35dd]

Also known as: World Timer, Arnie

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Cream

Jewels

19j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1996

Related Models

• Seiko 4435-314
• Seiko 4579-232
• Seiko 5640-751
• Seiko 6128-614
• Seiko 6117-868
• Seiko 6338-950
• Seiko 6319-134
• Seiko 4556-986
• Seiko 5664-653
• Seiko 5671-148
• Seiko 7173-583
• Seiko 6647-547