Seiko Cal. 3815 - 159

This Hand-Winding model from 1973 features a 41mm Titanium case. Powered by the 3815 caliber with 35j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-cd9704c233d8]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1973

Related Models

• Seiko 4532-935
• Seiko 7097-603
• Seiko 5248-768
• Seiko 7120-869
• Seiko 0767-990
• Seiko 0784-211
• Seiko 7070-506
• Seiko 4526-427
• Seiko 5235-262
• Seiko 0783-542
• Seiko 7041-617
• Seiko 3846-420