Seiko Cal. 4437 - 617

This Hand-Winding model from 1976 features a 37mm Gold-Plated case. It features a Champagne dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-403eb9ca6d9f]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Champagne

Jewels

26j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1976

Related Models

• Seiko 5615-407
• Seiko 4415-988
• Seiko 7050-252
• Seiko 7098-955
• Seiko 6117-765
• Seiko 3823-302
• Seiko 7073-738
• Seiko 5237-688
• Seiko 4455-938
• Seiko 3844-271
• Seiko 4585-341
• Seiko 6625-920