Seiko Cal. 5681 - 945

The Seiko 5681-945 represents an important milestone in Seiko's 1988 lineup. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-d7cb2a5bef59]

Also known as: Sumo, Emperor

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1988

Related Models

• Seiko 4432-565
• Seiko 6220-378
• Seiko 5217-399
• Seiko 6342-122
• Seiko 6660-395
• Seiko 3841-354
• Seiko 7056-975
• Seiko 4572-215
• Seiko 7065-251
• Seiko 5274-399
• Seiko 5234-227
• Seiko 6684-367