Seiko Cal. 4527 - 665

The 4527-665 is a sought-after Solar piece from Seiko's golden era. Powered by the 4527 caliber with 28j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-a16b3885f59b]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1982

Related Models

• Seiko 6281-768
• Seiko 0779-189
• Seiko 6675-115
• Seiko 6163-741
• Seiko 6327-247
• Seiko 3811-999
• Seiko 7010-283
• Seiko 5250-237
• Seiko 5243-283
• Seiko 4496-117
• Seiko 7085-234
• Seiko 6351-847