Seiko Cal. 5623 - 364

This Spring Drive model from 1977 features a 37mm PVD Black case. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-30146c690c8e]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1977

Related Models

• Seiko 7171-854
• Seiko 0712-674
• Seiko 0740-317
• Seiko 7020-558
• Seiko 4413-822
• Seiko 4425-652
• Seiko 5234-986
• Seiko 6644-631
• Seiko 6327-863
• Seiko 7141-505
• Seiko 0729-506
• Seiko 7188-348