Seiko Cal. 5639 - 362

This Hand-Winding model from 1973 features a 44mm Two-Tone case. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-7c8bf8bcab87]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1973

Related Models

• Seiko 7085-776
• Seiko 6176-100
• Seiko 6387-992
• Seiko 4534-423
• Seiko 6121-980
• Seiko 6341-594
• Seiko 4554-112
• Seiko 6361-828
• Seiko 7188-505
• Seiko 6663-507
• Seiko 6167-473
• Seiko 4551-486