Seiko Cal. 6639 - 207

This Hand-Winding model from 1997 features a 42mm PVD Black case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-5a231014c46f]

Also known as: Turtle, Monster

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1997

Related Models

• Seiko 6289-968
• Seiko 0758-735
• Seiko 5679-376
• Seiko 0733-863
• Seiko 4517-855
• Seiko 7077-716
• Seiko 7119-751
• Seiko 5243-493
• Seiko 4440-395
• Seiko 0738-906
• Seiko 7127-424
• Seiko 5222-939