Seiko Cal. 6398 - 277

Seiko 6398-277

Released in 1969, the Cal. 6398 with design code 277 was part of Seiko's domestic market collection. Powered by the 6398 caliber with 27j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-73b46b515972]

Also known as: Tuna, UFO

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
35mm
Case Thickness
11.4mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Champagne
Jewels
27j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1969

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seikata-wm-73b46b515972