Seiko Cal. 6693 - 537

This Spring Drive model from 1987 features a 46mm Gold-Plated case. Powered by the 6693 caliber with 28j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-ffb694dabda7]

Also known as: Monster, Silverwave

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1987

Related Models

• Seiko 0774-308
• Seiko 6256-921
• Seiko 7175-185
• Seiko 6326-507
• Seiko 3886-410
• Seiko 5226-734
• Seiko 6155-695
• Seiko 0768-927
• Seiko 5688-256
• Seiko 6330-747
• Seiko 4472-951
• Seiko 4588-290