Seiko Cal. 6140 - 551

The Seiko 6140-551 represents an important milestone in Seiko's 1978 lineup. It features a Navy dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-ea79741a9b5f]

Also known as: Turtle, Golden Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1978

Related Models

• Seiko 6355-507
• Seiko 7141-684
• Seiko 5689-853
• Seiko 0792-237
• Seiko 6291-343
• Seiko 7135-752
• Seiko 5257-367
• Seiko 6664-567
• Seiko 7064-956
• Seiko 6139-379
• Seiko 4594-329
• Seiko 4474-923