Seiko Cal. 4542 - 815

The Seiko 4542-815 represents an important milestone in Seiko's 1965 lineup. Powered by the 4542 caliber with 27j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-66fe2ce2f357]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1965

Related Models

• Seiko 5282-993
• Seiko 5295-101
• Seiko 6619-346
• Seiko 0714-219
• Seiko 6156-237
• Seiko 4585-934
• Seiko 3824-524
• Seiko 5222-677
• Seiko 6226-788
• Seiko 6676-386
• Seiko 4554-909
• Seiko 7039-221