Seiko Cal. 6389 - 371

This Hand-Winding model from 1984 features a 37mm Two-Tone case. With its 18mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-53d1e6db286e]

Also known as: Rally, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1984

Related Models

• Seiko 7072-788
• Seiko 6335-340
• Seiko 7022-671
• Seiko 5236-763
• Seiko 5623-798
• Seiko 7056-262
• Seiko 5251-162
• Seiko 4589-141
• Seiko 6174-646
• Seiko 6172-568
• Seiko 3883-560
• Seiko 6186-368