Seiko Cal. 7090 - 694

This Spring Drive model from 1981 features a 39mm Two-Tone case. Powered by the 7090 caliber with 32j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-7a9dd84886d7]

Also known as: Sumo, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1981

Related Models

• Seiko 6121-717
• Seiko 4543-572
• Seiko 7143-474
• Seiko 4551-398
• Seiko 7026-708
• Seiko 6325-410
• Seiko 5227-578
• Seiko 6633-487
• Seiko 4454-318
• Seiko 6334-585
• Seiko 6214-864
• Seiko 3854-940