Seiko Cal. 6615 - 551

This Spring Drive model from 1988 features a 40mm Titanium case. It features a Navy dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-b4e42fb44f5c]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1988

Related Models

• Seiko 5674-172
• Seiko 6149-396
• Seiko 4550-952
• Seiko 7136-159
• Seiko 7027-489
• Seiko 3874-102
• Seiko 4555-180
• Seiko 6376-510
• Seiko 5636-774
• Seiko 6240-251
• Seiko 7152-363
• Seiko 6367-930