Seiko Cal. 5637 - 264

This Spring Drive model from 1978 features a 37mm Two-Tone case. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-535b6f0fef29]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1978

Related Models

• Seiko 6395-383
• Seiko 7126-112
• Seiko 4486-563
• Seiko 6117-179
• Seiko 4466-784
• Seiko 5626-915
• Seiko 0797-171
• Seiko 7024-200
• Seiko 7185-878
• Seiko 4531-716
• Seiko 5294-311
• Seiko 5628-543