Seiko Cal. 6261 - 597

Seiko 6261-597

The Seiko 6261-597 represents an important milestone in Seiko's 1969 lineup. Powered by the 6261 caliber with 36j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-a847d96e9de6]

Also known as: Bullhead, Helmet

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
42mm
Case Thickness
8.6mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Black
Jewels
36j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1969

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