Seiko Cal. 0720 - 138

Seiko 0720-138

The 0720-138 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-6ad37b0c6e55]

Also known as: Bullhead, Bellmatic

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
11.4mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Navy
Jewels
23j
Frequency
36,000 bph
Power Reserve
53 hours
Year
1968

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