Seiko Cal. 6387 - 203

The 6387-203 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6387 caliber with 25j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-75abbc45a775]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

25j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1965

Related Models

• Seiko 4582-578
• Seiko 6693-461
• Seiko 6396-809
• Seiko 7136-881
• Seiko 7063-642
• Seiko 0748-352
• Seiko 6152-932
• Seiko 4446-313
• Seiko 6355-530
• Seiko 4563-556
• Seiko 6257-163
• Seiko 7014-106