Seiko Cal. 6635 - 142

This Hand-Winding model from 1976 features a 35mm Two-Tone case. It features a Black dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-37f3a93341d6]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1976

Related Models

• Seiko 6629-758
• Seiko 7088-764
• Seiko 0759-113
• Seiko 3846-104
• Seiko 5250-568
• Seiko 6648-882
• Seiko 7187-254
• Seiko 5221-672
• Seiko 6658-867
• Seiko 5617-327
• Seiko 6273-176
• Seiko 3851-516