Seiko Cal. 5660 - 945

Released in 1978, the Cal. 5660 with design code 945 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-b638fa9269fd]

Also known as: Turtle

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1978

Related Models

• Seiko 6641-667
• Seiko 7186-433
• Seiko 6383-554
• Seiko 3820-845
• Seiko 4473-273
• Seiko 7017-573
• Seiko 6638-213
• Seiko 5250-995
• Seiko 7127-660
• Seiko 5216-948
• Seiko 6292-449
• Seiko 5214-775