Seiko Cal. 4540 - 302

The 4540-302 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4540 caliber with 36j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-43eed58e6cc9]

Also known as: Turtle, Pogue

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1973

Related Models

• Seiko 0752-953
• Seiko 6611-442
• Seiko 5263-520
• Seiko 6149-200
• Seiko 5662-357
• Seiko 6253-798
• Seiko 6639-100
• Seiko 4516-917
• Seiko 3866-462
• Seiko 7037-527
• Seiko 3840-995
• Seiko 5217-873