Seiko Cal. 5661 - 691

The 5661-691 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-e421e6745e6c]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1996

Related Models

• Seiko 6676-287
• Seiko 6666-701
• Seiko 7135-710
• Seiko 0788-731
• Seiko 3852-556
• Seiko 3877-727
• Seiko 6399-237
• Seiko 6314-133
• Seiko 5697-836
• Seiko 6362-389
• Seiko 4539-822
• Seiko 5231-720