Seiko Cal. 4531 - 400

Released in 1989, the Cal. 4531 with design code 400 was part of Seiko's domestic market collection. It features a Green dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-47a011fd6aad]

Also known as: Sumo, UFO

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1989

Related Models

• Seiko 3890-231
• Seiko 6638-492
• Seiko 7050-398
• Seiko 6621-218
• Seiko 3871-295
• Seiko 0796-446
• Seiko 0719-834
• Seiko 6127-966
• Seiko 7079-496
• Seiko 3812-591
• Seiko 6628-210
• Seiko 6299-735