Seiko Cal. 6397 - 436

Seiko 6397-436

The 6397-436 is a sought-after Hand-Winding piece from Seiko's golden era. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-4ca4477a72c6]

Also known as: Tuna, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
36mm
Case Thickness
15.3mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Blue Sunburst
Jewels
26j
Frequency
28,800 bph
Power Reserve
41 hours
Year
1969

Related Models

seikata-wm-4ca4477a72c6