Seiko Cal. 7157 - 686

The Seiko 7157-686 represents an important milestone in Seiko's 1977 lineup. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-626f532ff1fd]

Also known as: Tuna, Panda

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

White

Jewels

18j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1977

Related Models

• Seiko 6649-577
• Seiko 6636-220
• Seiko 7073-347
• Seiko 4428-794
• Seiko 5667-770
• Seiko 4576-847
• Seiko 6275-359
• Seiko 4421-440
• Seiko 5651-931
• Seiko 7157-650
• Seiko 6313-908
• Seiko 6152-279