Seiko Cal. 0730 - 316

Seiko 0730-316

The 0730-316 is a sought-after Automatic piece from Seiko's golden era. Powered by the 0730 caliber with 19j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-b8cf4607e779]

Also known as: Tuna, Bullhead

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
11.8mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Blue Sunburst
Jewels
19j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1998

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seikata-wm-b8cf4607e779