Seiko Cal. 6240 - 385

This Hand-Winding model from 1972 features a 39mm Gold-Plated case. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-c361fd316c87]

Also known as: Sumo, UFO

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1972

Related Models

• Seiko 6698-966
• Seiko 6395-721
• Seiko 6123-336
• Seiko 4439-550
• Seiko 3891-829
• Seiko 5626-596
• Seiko 7044-146
• Seiko 7044-515
• Seiko 5263-820
• Seiko 4549-522
• Seiko 4441-650
• Seiko 6314-799