Seiko Cal. 6657 - 729

Released in 1994, the Cal. 6657 with design code 729 was part of Seiko's domestic market collection. It features a Cream dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-57ade2ae704e]

Also known as: Arnie

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1994

Related Models

• Seiko 6640-976
• Seiko 7041-520
• Seiko 7129-885
• Seiko 5692-157
• Seiko 6299-109
• Seiko 5699-543
• Seiko 4475-510
• Seiko 0731-889
• Seiko 6387-254
• Seiko 4465-733
• Seiko 4528-188
• Seiko 6385-870