Seiko Cal. 7138 - 694

Seiko 7138-694

The 7138-694 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-bad807450746]

Also known as: Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
8.7mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Black
Jewels
29j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1967

Related Models

seikata-wm-bad807450746