Seiko Cal. 5261 - 139

Released in 1975, the Cal. 5261 with design code 139 was part of Seiko's domestic market collection. It features a Navy dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-a9d864cd1fe4]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1975

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