Seiko Cal. 0731 - 387

Seiko 0731-387

The 0731-387 is a sought-after Automatic piece from Seiko's golden era. With its 19mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-601e6de8a975]

Also known as: Baby Tuna

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
11.4mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Navy
Jewels
31j
Frequency
28,800 bph
Power Reserve
44 hours
Year
1995

Related Models

seikata-wm-601e6de8a975