Seiko Cal. 5677 - 587

The 5677-587 is a sought-after Solar piece from Seiko's golden era. Powered by the 5677 caliber with 27j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-3bed74e15368]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1970

Related Models

• Seiko 4549-213
• Seiko 3831-251
• Seiko 4435-488
• Seiko 7093-785
• Seiko 7059-820
• Seiko 6633-510
• Seiko 4440-473
• Seiko 5647-411
• Seiko 0726-271
• Seiko 6335-106
• Seiko 7115-152
• Seiko 4533-986