Seiko Cal. 5615 - 630

The Seiko 5615-630 represents an important milestone in Seiko's 1976 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-59dec8c16445]

Also known as: Monster, UFO

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1976

Related Models

• Seiko 6346-558
• Seiko 5249-138
• Seiko 3848-665
• Seiko 7112-842
• Seiko 7190-882
• Seiko 4521-180
• Seiko 6313-217
• Seiko 6387-775
• Seiko 4418-557
• Seiko 4536-394
• Seiko 5255-983
• Seiko 3811-104