Seiko Cal. 6615 - 554

The 6615-554 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6615 caliber with 29j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-4a0441b95a56]

Also known as: Tuna, Navigator

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1987

Related Models

• Seiko 6228-116
• Seiko 0715-764
• Seiko 4485-764
• Seiko 7010-750
• Seiko 4443-943
• Seiko 0723-100
• Seiko 5221-817
• Seiko 7190-564
• Seiko 3849-181
• Seiko 5223-735
• Seiko 7086-513
• Seiko 7077-512