Seiko Cal. 5240 - 498

The 5240-498 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5240 caliber with 25j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-e8268567033e]

Also known as: Monster, Pogue

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1973

Related Models

• Seiko 0770-555
• Seiko 6395-153
• Seiko 7163-114
• Seiko 7075-187
• Seiko 7058-265
• Seiko 3816-410
• Seiko 5219-872
• Seiko 6177-934
• Seiko 5294-760
• Seiko 5675-844
• Seiko 7170-156
• Seiko 0768-123