Seiko Cal. 0731 - 441

The 0731-441 is a sought-after Spring Drive piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-d9a116e40c5c]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1993

Related Models

• Seiko 7165-898
• Seiko 4438-527
• Seiko 0725-793
• Seiko 4451-451
• Seiko 5684-198
• Seiko 6649-939
• Seiko 5624-364
• Seiko 0723-338
• Seiko 7132-844
• Seiko 3889-887
• Seiko 6164-943
• Seiko 5244-967