Seiko Cal. 6631 - 235

The 6631-235 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Champagne dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-077c9b9a2a19]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1965

Related Models

• Seiko 4490-904
• Seiko 4537-714
• Seiko 7029-521
• Seiko 0781-495
• Seiko 3830-794
• Seiko 5649-108
• Seiko 7118-791
• Seiko 6324-109
• Seiko 5615-425
• Seiko 4541-912
• Seiko 6259-636
• Seiko 6182-168