Seiko Cal. 7138 - 854

This Quartz model from 1977 features a 46mm Titanium case. With its 22mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-51b649300f06]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1977

Related Models

• Seiko 0756-674
• Seiko 7023-707
• Seiko 6650-906
• Seiko 0717-354
• Seiko 6336-870
• Seiko 5638-112
• Seiko 6188-359
• Seiko 6683-247
• Seiko 7181-590
• Seiko 6639-675
• Seiko 4427-739
• Seiko 6321-375