Seiko Cal. 4431 - 653

The 4431-653 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-d640bc4df603]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1970

Related Models

• Seiko 3846-538
• Seiko 4527-344
• Seiko 3893-765
• Seiko 3871-901
• Seiko 7038-950
• Seiko 3866-622
• Seiko 0737-504
• Seiko 7111-652
• Seiko 4490-213
• Seiko 5229-219
• Seiko 6150-217
• Seiko 5680-499