Seiko Cal. 7038 - 691

Seiko 7038-691

The 7038-691 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7038 caliber with 36j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-a1c6e4021600]

Also known as: Tuna, UFO

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
12.5mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
140m
Dial Color
Champagne
Jewels
36j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1965

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seikata-wm-a1c6e4021600