Seiko Cal. 4531 - 440

The 4531-440 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4531 caliber with 30j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-d51f6dd1fa2d]

Also known as: Shogun

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1965

Related Models

• Seiko 6279-779
• Seiko 6246-348
• Seiko 5634-952
• Seiko 6253-472
• Seiko 4489-958
• Seiko 5670-617
• Seiko 6310-703
• Seiko 4422-646
• Seiko 5213-848
• Seiko 4422-307
• Seiko 6666-255
• Seiko 0783-622