Seiko Cal. 6354 - 909

This Spring Drive model from 1974 features a 37mm Hardlex-Coated Steel case. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-bbb350de1e92]

Also known as: Sumo, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1974

Related Models

• Seiko 6618-657
• Seiko 0778-536
• Seiko 5652-551
• Seiko 4578-818
• Seiko 7026-317
• Seiko 6323-552
• Seiko 4573-816
• Seiko 5633-281
• Seiko 3897-949
• Seiko 0761-391
• Seiko 4597-998
• Seiko 6269-110