Seiko Cal. 5645 - 807

The Seiko 5645-807 represents an important milestone in Seiko's 1975 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-eb0d73b81198]

Also known as: Bullhead, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

25j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1975

Related Models

• Seiko 4441-801
• Seiko 6697-219
• Seiko 6698-563
• Seiko 6169-896
• Seiko 6633-431
• Seiko 6381-401
• Seiko 0776-481
• Seiko 7153-571
• Seiko 4535-187
• Seiko 6245-819
• Seiko 5641-590
• Seiko 4480-778