Seiko Cal. 7131 - 739

Seiko 7131-739

The 7131-739 is a sought-after Automatic piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-8e9dd446114a]

Also known as: Sportsmatic

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
11.6mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Navy
Jewels
29j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1975

Related Models

seikata-wm-8e9dd446114a