Seiko Cal. 6639 - 330

This Automatic model from 1987 features a 44mm Hardlex-Coated Steel case. It features a Silver dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-256319dd69ef]

Also known as: Tuna, Rally

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1987

Related Models

• Seiko 7150-577
• Seiko 5614-525
• Seiko 4539-849
• Seiko 6252-148
• Seiko 4557-423
• Seiko 0783-985
• Seiko 6260-483
• Seiko 6384-317
• Seiko 6394-869
• Seiko 5656-480
• Seiko 6679-879
• Seiko 6616-732