Seiko Cal. 0731 - 848

Seiko 0731-848

The Seiko 0731-848 represents an important milestone in Seiko's 1968 lineup. Powered by the 0731 caliber with 32j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-0256b5f664a9]

Also known as: Baby Tuna

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
40mm
Case Thickness
11.2mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Cream
Jewels
32j
Frequency
21,600 bph
Power Reserve
69 hours
Year
1968

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