Seiko Cal. 5240 - 306

The 5240-306 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5240 caliber with 27j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-99582294a0b4]

Also known as: Goldfeather

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1979

Related Models

• Seiko 3812-229
• Seiko 3878-830
• Seiko 7025-269
• Seiko 6390-735
• Seiko 4489-337
• Seiko 7052-647
• Seiko 6688-454
• Seiko 6196-226
• Seiko 4438-322
• Seiko 7186-187
• Seiko 3842-959
• Seiko 3834-766