Seiko Cal. 3846 - 502

This Hand-Winding model from 1972 features a 44mm Hardlex-Coated Steel case. Powered by the 3846 caliber with 35j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-e5eaa2361e96]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

35j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1972

Related Models

• Seiko 6642-125
• Seiko 4451-855
• Seiko 4557-679
• Seiko 5687-721
• Seiko 7061-886
• Seiko 7036-657
• Seiko 4498-974
• Seiko 5638-911
• Seiko 6647-459
• Seiko 7032-292
• Seiko 0730-845
• Seiko 5211-234