Seiko Cal. 0730 - 540

Seiko 0730-540

The 0730-540 is a sought-after Automatic piece from Seiko's golden era. Powered by the 0730 caliber with 29j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-c4a10d66f8a3]

Also known as: Bullhead

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
8.3mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Silver
Jewels
29j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1992

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