Seiko Cal. 4473 - 657

This Solar model from 1991 features a 38mm Two-Tone case. Powered by the 4473 caliber with 23j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-903f0bf16e7f]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1991

Related Models

• Seiko 4473-559
• Seiko 6139-185
• Seiko 0794-664
• Seiko 3835-916
• Seiko 5658-626
• Seiko 3865-799
• Seiko 6219-592
• Seiko 7184-538
• Seiko 6170-152
• Seiko 3811-801
• Seiko 5250-699
• Seiko 4472-125