Seiko Cal. 6645 - 598

The 6645-598 is a sought-after Solar piece from Seiko's golden era. Powered by the 6645 caliber with 18j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-5de3ebf7223a]

Also known as: Panda, Golden Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1981

Related Models

• Seiko 6685-634
• Seiko 6325-931
• Seiko 6656-279
• Seiko 4571-862
• Seiko 0713-501
• Seiko 3884-897
• Seiko 4541-462
• Seiko 6291-497
• Seiko 4584-507
• Seiko 4540-967
• Seiko 4597-554
• Seiko 7085-123