Seiko Cal. 6661 - 116

This Spring Drive model from 1968 features a 37mm Stainless Steel case. It features a Cream dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-9545f4e0d3f4]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Cream

Jewels

18j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1968

Related Models

• Seiko 3865-349
• Seiko 6332-356
• Seiko 4545-968
• Seiko 7039-950
• Seiko 4550-375
• Seiko 5663-505
• Seiko 4567-378
• Seiko 3876-482
• Seiko 6365-894
• Seiko 3887-597
• Seiko 6270-887
• Seiko 7026-993